Dr. Micheal L. Galyean’s many contributions to ruminant nutrition research and graduate education throughout his extraordinary career are too numerous to list within the confines of this citation. The arc of Dr. Galyean’s career has demonstrated a continuous and cumulative path of progress and achievement. Dr. Galyean received his B.S. in Agriculture from New Mexico State University in 1973, and his M.S. in Animal Science (1975) and Ph.D. in Animal Nutrition (1977) from Oklahoma State University. He has held the position of professor of animal science at New Mexico State University, West Texas A&M University/Texas A&M University and at Texas Tech University where he is a Paul Whitfield Horn Professor and holds the Thornton Distinguished Chair in the Department of Animal and Food Sciences. Since 2012, Dr. Galyean has served as Dean of the College of Agricultural Science and Natural Resources at Texas Tech University. Dr. Galyean has also contributed his time by serving on the NRC Subcommittee on Beef Cattle Nutrition and the NRC Committee on Animal Nutrition. He was Secretary-Treasurer, President-Elect, and President of the Western Section of ASAS and a member of the Board of Directors of ASAS. From 2006 to 2009 he served as President-Elect, President, and Past-President of ASAS. Dr. Galyean also served three terms on the Editorial Board of the Journal of Animal Science, one 3-year term as a Section Editor and as Editor-in-Chief from 2002 to 2005. Dr. Galyean is currently the Chair of the NRC Committee on Nutrient Requirements of Beef Cattle. Dr. Galyean’s many accomplishments reflect his continuing commitment to advancing knowledge through innovative research and support of education so that this knowledge can be applied to make improvements in animal agriculture.